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Onia

All One-Pieces | Onia

Make a splash while looking seriously chic in a one-piece swimsuit. Shop for looks you'll reach for all summer long in Onia's designer collection. Select from over 50 items in this comprehensive lineup. Put the best of them on your wish list or click "add to bag" immediately. There's a world of Onia to tempt you at THE OUTNET. Check out its hugely popular range of one-shoulder one-pieces and discover the joy of saving on your luxury purchases.

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ONIA
Marisole cutout ribbed swimsuit
RRP:£129
(-70%)
£39
STYLES FROM 70% OFF
ONIA
Iris swimsuit
RRP:£105
(-70%)
£32
STYLES FROM 70% OFF
ONIA
Wren one-shoulder floral-print swimsuit
RRP:£122
(-70%)
£37
STYLES FROM 70% OFF
ONIA
Iris swimsuit
RRP:£105
(-45%)
£58
ONIA
Chelsea swimsuit
RRP:£142
(-70%)
£43
STYLES FROM 70% OFF
ONIA
Marisole cutout ribbed swimsuit
RRP:£129
(-70%)
£39
STYLES FROM 70% OFF
ONIA
Gabrielle stretch-piqué swimsuit
RRP:£142
(-65%)
£50
ONIA
Cutout printed swimsuit
RRP:£135
(-70%)
£41
STYLES FROM 70% OFF
ONIA
Lola stretch-jacquard swimsuit
RRP:£129
(-70%)
£39
STYLES FROM 70% OFF
ONIA
Wren one-shoulder ribbed swimsuit
RRP:£122
(-70%)
£37
STYLES FROM 70% OFF
ONIA
Lola stretch-jacquard swimsuit
RRP:£129
(-65%)
£46
ONIA
Pauline cutout gathered swimsuit
RRP:£122
(-70%)
£37
STYLES FROM 70% OFF
ONIA
Open-back swimsuit
RRP:£105
(-50%)
£53
ONIA
Marisol cutout ring-embellished printed swimsuit
RRP:£136
(-70%)
£41
STYLES FROM 70% OFF
ONIA
Striped stretch-seersucker swimsuit
RRP:£120
(-70%)
£36
STYLES FROM 70% OFF
ONIA
Sylvie printed swimsuit
RRP:£136
(-45%)
£75
ONIA
Iris ribbed stretch-jersey swimsuit
RRP:£158
(-70%)
£48
STYLES FROM 70% OFF
ONIA
Cutout floral-print swimsuit
RRP:£135
(-70%)
£41
STYLES FROM 70% OFF
ONIA
Wren one-shoulder floral-print swimsuit
RRP:£122
(-70%)
£37
STYLES FROM 70% OFF
ONIA
Gingham stretch-seersucker swimsuit
RRP:£120
(-70%)
£36
STYLES FROM 70% OFF
ONIA
Rachel floral-print swimsuit
RRP:£122
(-70%)
£37
STYLES FROM 70% OFF
ONIA
Floral-print swimsuit
RRP:£158
(-70%)
£48
STYLES FROM 70% OFF
ONIA
Rachel swimsuit
RRP:£142
(-70%)
£43
STYLES FROM 70% OFF
ONIA
Estelle cutout printed swimsuit
RRP:£158
(-45%)
£87
ONIA
Chelsea metallic stretch-jersey underwired swimsuit
RRP:£158
(-70%)
£48
STYLES FROM 70% OFF
ONIA
Ring-embellished cutout swimsuit
RRP:£120
(-70%)
£36
STYLES FROM 70% OFF
ONIA
Floral-print swimsuit
RRP:£120
(-50%)
£60
ONIA
Chelsea striped seersucker swimsuit
RRP:£150
(-70%)
£45
STYLES FROM 70% OFF
ONIA
Cutout ruched swimsuit
RRP:£120
(-60%)
£48
ONIA
Pauline cutout floral-print swimsuit
RRP:£136
(-50%)
£68
ONIA
Rachel stretch-piquè swimsuit
RRP:£122
(-70%)
£37
STYLES FROM 70% OFF
ONIA
Wren one-shoulder swimsuit
RRP:£122
(-70%)
£37
STYLES FROM 70% OFF
ONIA
Vida metallic underwired swimsuit
RRP:£158
(-70%)
£48
STYLES FROM 70% OFF
ONIA
Kelly snake-print swimsuit
RRP:£136
(-70%)
£41
STYLES FROM 70% OFF
ONIA
Wren one-shoulder ribbed swimsuit
RRP:£120
(-50%)
£60
ONIA
Estelle cutout floral-print swimsuit
RRP:£198
(-70%)
£60
STYLES FROM 70% OFF
ONIA
Gabrielle stretch-piqué swimsuit
RRP:£142
(-45%)
£79
ONIA
Iris swimsuit
RRP:£105
(-70%)
£32
STYLES FROM 70% OFF
ONIA
Chelsea underwired swimsuit
RRP:£142
(-45%)
£79
ONLY ONE LEFT
ONIA
Chelsea stretch-jacquard swimsuit
RRP:£100
(-60%)
£40
ONLY ONE LEFT
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